2HA/2HB
1-5-19
(4) Detaching and refitting the laser scanner unit
Take the following procedure when the laser scanner unit is to be replaced.
Procedure
1. Remove the original cover or the DP.
2. Remove the upper right cover, contact 
glass, upper rear cover, middle left cover, 
upper left cover, slit glass and front scanner 
cover (see page 1-5-13).
3. Remove the four screws holding the right 
cover and then the cover. Remove the ten 
screws holding the rear cover and then the 
cover.
Figure 1-5-41
4. Detach the connector YC8 on the main 
PWB. Detach the connectors YC16, 
YC17,YC18 and YC19 on the engine PWB.
Figure 1-5-42
Rear cover
Right cover
YC8
YC16
YC17
YC19
YC18
Engine PWB
Main PWB